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mayrel

Questions (7)

box full of books rests on a wooden floor. The normal force the floor exerts on the box is 235 N.a) You push horizontally on the
1. 2 answers
2. 1,135 views
While trying to decide where to hang a framed picture, you press it against the wall to keep it from falling. The picture
1. 0 answers
2. 598 views
A pulley is attached to the ceiling (as shown in the figure below). Spring scale A is attached to the wall and a rope runs
1. 1 answer
2. 820 views
The drawing below shows an elastic cord attached to two back teeth and stretched across a front tooth. The purpose of this
1. 0 answers
2. 806 views
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 21° below the
1. 0 answers
2. 546 views
A large wooden crate is pushed along a smooth, frictionless surface by a force of 87 N. The acceleration of the crate is
1. 1 answer
2. 1,561 views
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on
1. 1 answer
2. 777 views

You are pulling a suitcase through the airport at a constant speed. The handle of the suitcase makes an angle of 34.4° with respect to the horizontal direction. If you pull with a force of 30.0 N parallel to the handle, what is the force of friction

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